INCOME TAXES - ADDITIONAL INFORMATION (Detail) - USD ($) $ in Thousands	1 Months Ended
	Dec. 31, 2017	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Tax Cuts and Jobs Act of 2017, change in tax rate, deferred tax asset, provisional income tax expense	$ 12,900
Unrecognized tax benefits		$ 4,700
Unrecognized tax benefits, interest		14
Unrecognized tax benefits that would affect the Company's effective tax rate		403
Deferred income tax assets	$ 401	371
Deferred income tax liabilities		80
Valuation allowance of deferred tax assets		$ 37,600